I have a problem in PHP regarding preg_match/preg_match_all funtion.
This is the sample script:
<?php
$u_agent = $_SERVER['HTTP_USER_AGENT'];
if(preg_match('/MSIE/i', $u_agent))
$ub = 'MSIE';
$known = array('version', $ub, 'other');
$pattern = '#(?<browser>' . join('|', $known) . ')[/...